- What are the disadvantages of stored procedures?
- Can we have two output parameter in stored procedure?
- Which is better view or stored procedure?
- How many values can be returned from a stored procedure?
- How do I return a stored procedure table in SQL Server?
- How do you store the result of a stored procedure in a table?
- Why drop table if exists?
- How do I debug a stored procedure?
- Can stored procedure call another stored procedure?
- Why you should not use stored procedures?
- How do I return the number of rows affected by a stored procedure?
- Can stored procedure return value?
- Can stored procedure return NULL value?
- What can a stored procedure return?
- How do you return a value from a procedure?
- Can function return more than one value in SQL?
- Is stored procedure faster than query?
- How do I combine two stored procedures at the same time?
- Can we pass temp table as parameter to stored procedure?
- How do I execute a stored procedure?
- Can stored procedure return multiple rows?
What are the disadvantages of stored procedures?
The main disadvantages of stored procedures are given below:Testing – Testing of a logic which is encapsulated inside a stored procedure is very difficult.
Debugging – …
Versioning – …
Cost – …
Can we have two output parameter in stored procedure?
A stored procedure can have many output parameters. In addition, the output parameters can be in any valid data type e.g., integer, date, and varying character. Second, after the SELECT statement, we assigned the number of rows returned by the query( @@ROWCOUNT ) to the @product_count parameter.
Which is better view or stored procedure?
A view is essentially a saved SQL statement. Therefore, I would say that in general, a stored procedure will be likely to be faster than a view IF the SQL statement for each is the same, and IF the SQL statement can benefit from optimizations. Otherwise, in general, they would be similar in performance.
How many values can be returned from a stored procedure?
A Stored Procedure can have any number of output parameters. The simple logic is this — If you want to return 1 value then use 1 output parameter, for returning 5 values use 5 output parameters, for 10 use 10, and so on. In this Tutorial I will explain how to return 3 values from a Stored Procedure in C# language.
How do I return a stored procedure table in SQL Server?
Return Resultset from Stored Procedure Returning data as a table or result set is probably the most common and easiest way to return values from a stored procedure in SQL Server. The only thing that we have to do is to write a select query including all the column values or data that we want the procedure to return.
How do you store the result of a stored procedure in a table?
Copying a SQL Server Stored Procedure’s Results Set to a Local Temp TableIn the first step, create a fresh copy of the stored procedure with a select statement that generates a results set whose output you want to persist.In the second step, create a local temp table outside of the stored procedure.More items…•
Why drop table if exists?
The DROP TABLE SQL statement enables you to delete a table from the database. If the table did not exist then attempting to DROP it would cause an error to occur. The DROP TABLE IF EXISTS SQL statement enables a check to see that the table exists prior to attempting the dropping (deletion) of the table.
How do I debug a stored procedure?
Debugging optionsStart Debugging. To start debugging a SQL server stored procedure in SQL Server, press ALT + F5, or go to Debug -> Start Debugging, as shown in the figure below: … Stepping Through Script. … Run To Cursor. … The Local Window. … The Watch Window. … The Call Stack. … The Immediate Window. … Breakpoints.
Can stored procedure call another stored procedure?
In releases earlier than SQL Server 2000, you can call one stored procedure from another and return a set of records by creating a temporary table into which the called stored procedure (B) can insert its results or by exploring the use of CURSOR variables. …
Why you should not use stored procedures?
Stored procedures are difficult to unit test. With an ORM, you can mock your database code so as to be able to test your business logic quickly. With stored procedures, you have to rebuild an entire test database from scratch. Stored procedures offer no performance advantage whatsoever.
How do I return the number of rows affected by a stored procedure?
For Microsoft SQL Server you can return the @@ROWCOUNT variable to return the number of rows affected by the last statement in the stored procedure.
Can stored procedure return value?
A stored procedure does not have a return value but can optionally take input, output, or input-output parameters. A stored procedure can return output through any output or input-output parameter.
Can stored procedure return NULL value?
3 Answers. No, the return type of a stored procedure is INT and it cannot be null.
What can a stored procedure return?
Return Value in Stored Procedure. Return values can be used within stored procedures to provide the stored procedure execution status to the calling program. You can create your own parameters that can be passed back to the calling program. By default, the successful execution of a stored procedure will return 0.
How do you return a value from a procedure?
You can use the return statement inside a stored procedure to return an integer status code (and only of integer type). By convention a return value of zero is used for success. If no return is explicitly set, then the stored procedure returns zero. You should use the return value for status codes only.
Can function return more than one value in SQL?
For this question answer will be Yes functions will return either single or multiple values. Generally SQL Server functions will return only one parameter value if we want to return multiple values from function then we need to send multiple values in table format by using table valued functions.
Is stored procedure faster than query?
Stored procedures are precompiled and optimised, which means that the query engine can execute them more rapidly. By contrast, queries in code must be parsed, compiled, and optimised at runtime. This all costs time.
How do I combine two stored procedures at the same time?
1 Answer. Use the sql server “Generate Script” Wizard. Click Next on the “Introduction” window and in the 2nd screen select the option button “Specific Database objects” and click the combo box near “Stored Procedure” (If you are only taking the scripts of stored procedures.
Can we pass temp table as parameter to stored procedure?
First, you have to define the user defined type for the table variable to be used by the stored procedure. The stored proc can then be called with a table variable directly from SQL.
How do I execute a stored procedure?
To execute a stored procedure Expand the database that you want, expand Programmability, and then expand Stored Procedures. Right-click the user-defined stored procedure that you want and click Execute Stored Procedure.
Can stored procedure return multiple rows?
By default, Procedure returns multiple rows is not selected. If not selected, only the first row is returned from stored procedures that return multiple rows. This is similar to doing a singleton lookup. If selected, each call to a stored procedure can send multiple rows down the output link.